| X1 | SameasX0plusallCONNECTresponses/ | ||
|
| blind dialing |
| |
| X2 | Same as X1 plus dial tone detection | ||
| X3 | Same as X1 plus busy signal detection/ | ||
|
| blind dialing |
| |
| X4 | All responses and dial tone and | ||
|
| busy signal detection | ||
Y_ | Y0 | Modem does not send or respond | ||
|
| to break | signals | |
| Y1 | Modem sends break signal for four | ||
|
| seconds | before | disconnecting |
Z_ | Z0 | Reset | and | retrieve active |
|
| configuration profile 0 | ||
| Z1 | Reset and retrieve active configuration | ||
|
| profile 1 |
|
|
3.4Extended AT Commands
&C_ | &C0 | Force Carrier Detect Signal High (ON) |
| &C1 | Turn on Carrier Detect signal when |
|
| remote carrier signal is present |
&D_ | &D0 | Modem ignores the Data Terminal Ready |
|
| signal |
| &D1 | Modem returns to Command Mode after |
|
| DTR toggle |
| &D2 | Modem hangs up, returns to the |
|
| Command Mode after DTR toggle |
| &D3 | Resets modem after DTR toggle |
&F | &F | Recall factory default configuration |
&G_ | &G0 | Guard tone disabled |
| &G1 | 550 Hz guard tone |
| &G2 | 1800 Hz guard tone |
&J_ | &J0 | Auxiliary relay never operated |
| &J1 | Activates auxiliary relay when modem is |
|
| |
&K_ | &K0 | Disable flow control |
| &K3 | Enable hardware flow control |
| &K4 | Enable software flow control |
&M_ | &M0 | Asynchronous operation |
&P_ | &P0 | United States setting for |
|
| (make) |
| &P1 | UK and Hong Kong |
|
|
9
